(19)
(11) EP 0 288 005 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.12.1988 Bulletin 1988/50

(43) Date of publication A2:
26.10.1988 Bulletin 1988/43

(21) Application number: 88106223

(22) Date of filing: 19.04.1988
(84) Designated Contracting States:
DE FR GB

(30) Priority: 22.04.1987 JP 9954187
27.05.1987 JP 13092287

(71) Applicant: CANON KABUSHIKI KAISHA
 ()

(72) Inventors:
  • Tanaka, Makoto
     ()
  • Koide, Jun
     ()

   


(54) Image forming apparatus with blank exposure means


(57) The image forming apparatus includes a blank exposure device for projecting light onto a non-image area of the photosensitive member after it is electrically charged. By the light projection, the electric potential of the photosensitive member is attenuated. The blank exposure light is condensed at at least one of edges of a slit exposure area through which bright of the image to be reproduced is projected onto the photosensitive member, with respect to movement direction of the photosensitive member.







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